Which of the following is not a form of a passive attack?

A.
Scavenging

B.
Data diddling

C.
Shoulder surfing

D.
Sniffing

Explanation:
Data diddling is an active attack opposed to a passive attack.
“Data Diddling occurs when an attacker gains access to a system and makes small,
random, or incremental changes to data rather than obviously altering file contents or damaging or
deleting entire files.” Pg 383 Tittel